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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P56588 New Search
3PDB entries
3Biological assembly
3chain/assembly records
Main Difference Dimensions in This Set
Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
1B31 XYLANASE FROM PENICILLIUM SIMPLICISSIMUM, NATIVE WITH PEG200 AS CRYOPROTECTANT Deposited 1998-12-15 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–302（302 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.4；CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 1.9M (NH4)2SO4, 0.1M TRISHCL PH 8.4 AT 4 C
Resolution 1.75 Å R-free 0.243
1B3V XYLANASE FROM PENICILLIUM SIMPLICISSIMUM, COMPLEX WITH XYLOSE Deposited 1998-12-15 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–302（302 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) XYP beta-D-xylopyranose × 3 XYS alpha-D-xylopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.4；CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 1.9M (NH4)2SO4, 0.1M TRISHCL PH 8.4 AT 4 C
Resolution 2.40 Å R-free 0.274
1BG4 XYLANASE FROM PENICILLIUM SIMPLICISSIMUM Deposited 1998-06-05 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 2–302（301 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) NA SODIUM ION × 6 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 2 GOL GLYCEROL × 7 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.4；277 K；PROTEIN WAS CRYSTALLIZED FROM 1.9M (NH4)2SO4, 0.1M TRISHCL PH 8.4 AT 4 C, temperature 277K
Resolution 1.75 Å R-free 0.229

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.